omap30_dspmbx_l3.h

有关于USB的一些主机端驱动

//-------------------------------------------------------------------------------
//          TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION  
//   Property of Texas Instruments
//   For Unrestricted Internal Use Only
//   Unauthorized reprofuction and/or distribution is strictly prohibited.
//   This product is protected under copyright law and trade secret law
//   as an unpublished work
//   Created 2000,  (C) Copyright 2000 Texas Instruments. All rights reserved
//
//-------------------------------------------------------------------------------

#ifndef _MAILBOX_L3__HH
#define _MAILBOX_L3__HH

//-------------------------------------------------------------------------------
//
//   DSP REGISTERS DECLARATION
//
//-------------------------------------------------------------------------------

#define MB_ARM2DSP1_REG_OFFSET         0x00
#define MB_ARM2DSP1B_REG_OFFSET        0x02
#define MB_DSP2ARM1_REG_OFFSET         0x04
#define MB_DSP2ARM1B_REG_OFFSET        0x06
#define MB_DSP2ARM2_REG_OFFSET         0x08
#define MB_DSP2ARM2B_REG_OFFSET        0x0A
#define MB_ARM2DSP1_FLAG_REG_OFFSET    0x0C
#define MB_DSP2ARM1_FLAG_REG_OFFSET    0x0E
#define MB_DSP2ARM2_FLAG_REG_OFFSET    0x10
#define MB_ARM2DSP2_REG_OFFSET         0x12
#define MB_ARM2DSP2B_REG_OFFSET        0x14
#define MB_ARM2DSP2_FLAG_REG_OFFSET    0x16


#define MB_ARM2DSP1_REG_ADDR           (IO_MAILBOX_ADDR + MB_ARM2DSP1_REG_OFFSET)
#define MB_ARM2DSP1B_REG_ADDR          (IO_MAILBOX_ADDR + MB_ARM2DSP1B_REG_OFFSET)
#define MB_DSP2ARM1_REG_ADDR           (IO_MAILBOX_ADDR + MB_DSP2ARM1_REG_OFFSET)
#define MB_DSP2ARM1B_REG_ADDR          (IO_MAILBOX_ADDR + MB_DSP2ARM1B_REG_OFFSET)
#define MB_DSP2ARM2_REG_ADDR           (IO_MAILBOX_ADDR + MB_DSP2ARM2_REG_OFFSET)
#define MB_DSP2ARM2B_REG_ADDR          (IO_MAILBOX_ADDR + MB_DSP2ARM2B_REG_OFFSET)
#define MB_ARM2DSP1_FLAG_REG_ADDR      (IO_MAILBOX_ADDR + MB_ARM2DSP1_FLAG_REG_OFFSET)
#define MB_DSP2ARM1_FLAG_REG_ADDR      (IO_MAILBOX_ADDR + MB_DSP2ARM1_FLAG_REG_OFFSET)
#define MB_DSP2ARM2_FLAG_REG_ADDR      (IO_MAILBOX_ADDR + MB_DSP2ARM2_FLAG_REG_OFFSET)
#define MB_ARM2DSP2_REG_ADDR           (IO_MAILBOX_ADDR + MB_ARM2DSP2_REG_OFFSET)
#define MB_ARM2DSP2B_REG_ADDR          (IO_MAILBOX_ADDR + MB_ARM2DSP2B_REG_OFFSET)
#define MB_ARM2DSP2_FLAG_REG_ADDR      (IO_MAILBOX_ADDR + MB_ARM2DSP2_FLAG_REG_OFFSET)


#define MB_ARM2DSP1_RESET_VALUE        0x0000
#define MB_ARM2DSP1B_RESET_VALUE       0x0000
#define MB_DSP2ARM1_RESET_VALUE        0x0000
#define MB_DSP2ARM1B_RESET_VALUE       0x0000
#define MB_DSP2ARM2_RESET_VALUE        0x0000
#define MB_DSP2ARM2B_RESET_VALUE       0x0000
#define MB_ARM2DSP2_RESET_VALUE        0x0000
#define MB_ARM2DSP2B_RESET_VALUE       0x0000

#define MB_ARM2DSP_FLAG_MASK           0x0001
#define MB_DSP2ARM_FLAG_MASK           0x0001

//-------------------------------------------------------------------------------
//
//   GLOBAL TYPES DEFINITION
//
//-------------------------------------------------------------------------------

typedef enum
{
  ARM2DSP1 = 0, 
  DSP2ARM1 = 1,
  DSP2ARM2 = 2,
  ARM2DSP2 = 3
} Mailbox_Enum_t;

//-------------------------------------------------------------------------------
//
//  FUNCTIONS
//
//-------------------------------------------------------------------------------

//-------------------------------------------------------------------------------
// NAME        : Mailbox_Write
// DESCRIPTION : Write data to Mailbox registers :
//                 - DSP2ARM1 and DSP2ARM1B if DSP2ARM1_FLAG[0] == 0
//                 - DSP2ARM2 and DSP2ARM2B if DSP2ARM2_FLAG[0] == 0
// PARAMETERS  : Mailbox       DSP2ARM1 or DSP2ARM2
//               Data1         data to first register
//               Data2         data to second register
// RETURN VALUE: TRUE if write done successfully, otherwise FALSE
// LIMITATIONS : None
//-------------------------------------------------------------------------------
UWORD16 Mailbox_Write(Mailbox_Enum_t Mailbox, UWORD16 Data1, UWORD16 Data2);

//-------------------------------------------------------------------------------
// NAME        : Mailbox_Read
// DESCRIPTION : Read data from Mailbox registers :
//                 - ARM2DSP1 and ARM2DSP1B
//                 - ARM2DSP2 and ARM2DSP2B
//                 - DSP2ARM1 and DSP2ARM1B
//                 - DSP2ARM2 and DSP2ARM2B
// PARAMETERS  : Mailbox       ARM2DSP1, ARM2DSP2, DSP2ARM1 or DSP2ARM2
//               *Ptr1         pointer on data from first register
//               *Ptr2         pointer on data from second register
// RETURN VALUE: None
// LIMITATIONS : None
//-------------------------------------------------------------------------------
void Mailbox_Read(Mailbox_Enum_t Mailbox, UWORD16 *Ptr1, UWORD16 *Ptr2);

//-------------------------------------------------------------------------------
// NAME        : Mailbox_Clear
// DESCRIPTION : Clear the interrupt send by the ARM :
//                 - ARM2DSP_INT1B
//                 - ARM2DSP_INT2B
// PARAMETERS  : Mailbox       ARM2DSP1, ARM2DSP2
// RETURN VALUE: None
// LIMITATIONS : None
//-------------------------------------------------------------------------------
void Mailbox_Clear(Mailbox_Enum_t Mailbox);

#endif